CN214981881U - Integral railing forming die - Google Patents

Abstract

The utility model discloses an integral railing forming die, including controlling two half moulds to closing the setting, the die cavity face of half mould forms the product die cavity for the product after along length direction's section and two half mould compound dies, its characterized in that, half mould include the half mould body by the foam preparation, and half mould body one side is provided with one deck sclerosis layer coating for the die cavity face that is provided with the die cavity on the die cavity face, still connects on the mould die cavity to be provided with and fills the mouth, fills the mouth and takes shape at least on a half mould body. The utility model has the advantages of the mould preparation is efficient, and is with low costs, and the precision is high and can cyclic recovery utilize, has greatly reduced product manufacturing cost and cycle.

Description

Integral railing forming die

Technical Field

The utility model relates to a railing building, concretely relates to integral railing forming die.

Background

Railings are a type of building commonly found on both sides of roads or bridges for protecting pedestrians and normalizing pedestrian paths, and are usually obtained by cementing and constructed installation. For the convenience of railing installation construction, the existing integral railing is formed by integrally pouring a small section or a small section of railing structure into a component, and the integral installation and fixation of the small section of railing can be completed at one time during construction. For example, as shown in fig. 1, the integrated balustrade generally includes vertical posts disposed at two ends, a plurality of vertically disposed balustrades are horizontally spaced between the vertical posts at the two ends, the upper and lower ends of the balustrade are respectively fixed on a horizontal connecting plate, two ends of the connecting plate are fixed on the vertical posts, and the connecting plate is generally provided with a relief to improve the aesthetic feeling of appearance. The construction of one section railing is accomplished to only need during construction like this with both ends stand lower extreme fixed, very convenient and fast.

The integral railing has a complex structure and the surface of the connecting plate has relief modeling, so that the integral railing cannot be manufactured by directly adopting a mode of splicing templates into a cavity and then pouring like common concrete building components. The method comprises the following steps of firstly, carving a handrail model by a computer control carving machine according to a handrail drawing, wherein the handrail model is a structure of half-body handrails (half of the handrails are cut along the axial plane in the length direction) in a ratio of 1: 1; then brushing glass fiber reinforced plastic resin on the outer surface of the forming side of the railing model (one side of the section is not brushed), bonding a layer of glass fiber cloth after each layer of glass fiber reinforced plastic resin is brushed, and forming a mold shell with a half cavity after multiple layers of glass fiber cloth are brushed; breaking the handrail model made of gypsum materials in the mold shell, taking out the handrail model, cleaning the handrail model, pouring a concrete half-body model, taking out the concrete half-body model after forming, coating glass fiber reinforced plastic resin on the outer surface of the forming side of the concrete half-body model in the same way to obtain another mold shell with a half cavity, and arranging steel supports for fixing and reinforcing on the outer side surfaces of the two mold shells to obtain the handrail production mold. Then, the handrail can be obtained by concrete pouring by means of a handrail production mold.

The existing manufacturing method and the manufacturing die of the integral railing have the following defects: 1, about 7 days is needed for preparing a mould, the preparation process is complicated, and the needed time is long; 2, the mold cavity, especially the cavity of the second half mold, is subjected to multiple forming steps, the accumulated error is large, the mold precision is low, and the product appearance precision is difficult to ensure; 3, a large amount of glass fiber reinforced plastic resin is needed for preparing the die, and the glass fiber reinforced plastic resin is expensive, so that the cost of the die is high; and 4, after the mold can be repeatedly used for 30-60 times of production, the mold cannot be used and only can be scrapped, and the material cannot be recycled.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide one kind can shorten preparation time, improves preparation efficiency, improves the mould precision, reduces mould self manufacturing cost's integral railing forming die.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the integral handrail forming die is characterized in that the half die comprises a half die body made of foam materials, one side of the half die body is the cavity surface provided with the cavity, a hardened layer coating is arranged on the cavity surface, the die cavity is further connected with a pouring port, and the pouring port is formed in at least one half die body.

Thus, the integral railing forming die adopts foam to manufacture the die body, and then the hardened layer coating is arranged on the cavity surface. Greatly shortens the preparation time of the die and improves the preparation efficiency of the die. And the foam material can be recycled, so that the manufacturing cost is greatly reduced.

Further, the half-die body is obtained by carving the foam plate by a carving machine.

Therefore, the die cavity is carved out by the carving machine, the precision of the die cavity can be better ensured, the preparation efficiency is improved, and the precision and the quality of products are ensured.

Further, the apparent density of the foam plate of the half-mold body is greater than 20kg/m in full dry year, and the Shore hardness is greater than 20A.

Therefore, the foam board with high hardness and high density is adopted, so that the overall strength of the die can be better ensured, the die quality is improved, and the service life of the die is prolonged.

Further, the foam board is a rigid polyurethane foam board.

Thus, the cost is lower, and the hardness and the strength are better. Of course, polystyrene foam boards, polyethylene foam boards, phenolic foam boards, or urea formaldehyde foam boards of sufficient hardness and strength may also be used in practice.

Further, the thickness of the hardened layer coating is more than 1mm, and the Shore hardness is more than 50A.

Thus, the strength and quality of the die can be better ensured. To reduce costs, the hardened layer coating is typically less than 3 mm.

Further, the hardened layer coating is obtained by spraying hardened paint.

Therefore, the coating is more uniform and compact by adopting a spraying mode, and the preparation efficiency is improved.

Further, the hardening paint is toughened PU paint or glass fiber reinforced plastic resin paint.

Therefore, the hardness of the hardened coating can be better ensured, and concrete pouring and demoulding are facilitated. The toughened PU coating is a relatively new existing hardened coating in the market, and the hardening effect and the hardening speed are both superior to those of glass fiber reinforced plastic resin.

Further, the outer surface of the half-mold body is provided with a hardened layer coating.

Thus, the integral hardness of the die can be improved better.

Furthermore, the outer surface of the half mold body is also provided with a support frame, and the support frame comprises a steel frame fixedly arranged on the peripheral side surface of the half mold body and a steel plate fixedly arranged on the outer side surface of the half mold body.

Like this, can rely on the better assurance mould bulk strength of braced frame, play the effect of making things convenient for the mould operation, protection mould.

Further, the thickness of the steel sheet was 2 mm.

This has enabled a sufficient protection of the mold and a maximum reduction in the weight of the mold.

Further, the steel plate and the steel frame are fixed on the half-mold body by bolts.

This may improve the bonding strength between the support frame and the half mould body even better.

Furthermore, mold closing screw through holes are formed in the two sides, located on the cavity, of the half mold.

Thus, the die can be conveniently closed.

Further, the pouring opening is connected and arranged at the upper end of the upright post of the mold cavity.

Thus, the concrete is more convenient to pour and form.

Furthermore, the steel plates are arranged into a plurality of rectangular steel plates which are arranged side by side, and gaps are reserved among the steel plates.

Therefore, a certain margin can be reserved for the stress deformation of the internal foam plate, and the service life of the die is prolonged.

To sum up, the utility model has the advantages of mould preparation is efficient, and is with low costs, and the precision is high and can cyclic recovery utilize, has greatly reduced product manufacturing cost and cycle.

Drawings

Fig. 1 is a schematic view of the structure of an integral balustrade.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a view a-a of fig. 2.

Fig. 4 is a schematic view of the cavity surface of a single mold half of fig. 2.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the specific implementation: as shown in fig. 2 to 4, an integral handrail forming mold comprises two half molds arranged in a left-right involutive manner (optimally, symmetrically arranged), wherein the cavity surface of each half mold is a section of a product along the length direction, and the two half molds are closed to form a product cavity 1, wherein each half mold comprises a half mold body 2 made of a foam material, one side of each half mold body is the cavity surface provided with the cavity, a hardened layer coating 3 is arranged on the cavity surface, and the mold cavity is further provided with a filling opening 4 in a connected manner, and the filling opening is at least formed in one half mold body.

Thus, the integral railing forming die adopts foam to manufacture the die body, and then the hardened layer coating is arranged on the cavity surface. Greatly shortens the preparation time of the die and improves the preparation efficiency of the die. And the foam material can be recycled, so that the manufacturing cost is greatly reduced.

Wherein, the half-die body 2 is obtained by engraving a foam plate by using an engraving machine.

Therefore, the die cavity is carved out by the carving machine, the precision of the die cavity can be better ensured, the preparation efficiency is improved, and the precision and the quality of products are ensured.

Wherein, the apparent density of the foam plate of the half-mold body 2 is greater than 20kg/m and the Shore hardness is greater than 20A.

Therefore, the foam board with high hardness and high density is adopted, so that the overall strength of the die can be better ensured, the die quality is improved, and the service life of the die is prolonged.

Wherein the foam board is a rigid polyurethane foam board.

Thus, the cost is lower, and the hardness and the strength are better. Of course, polystyrene foam boards, polyethylene foam boards, phenolic foam boards, or urea formaldehyde foam boards of sufficient hardness and strength may also be used in practice.

Wherein the thickness of the hardening layer coating 3 is more than 1mm, and the Shore hardness is more than 50A

Thus, the strength and quality of the die can be better ensured. In order to reduce the cost, the coating of the hardening layer is usually less than 3mm, and is only about 2 mm.

Wherein, the hardening layer coating 3 is obtained by spraying hardening paint.

Therefore, the coating is more uniform and compact by adopting a spraying mode, and the preparation efficiency is improved.

Wherein the hardening paint is toughened PU paint or glass fiber reinforced plastic resin paint.

Therefore, the hardness of the hardened coating can be better ensured, and concrete pouring and demoulding are facilitated. The toughened PU coating is a relatively new existing hardened coating in the market, and the hardening effect and the hardening speed are both superior to those of glass fiber reinforced plastic resin.

Wherein, the outer surface of the half-mould body 2 is provided with a hardened layer coating.

Thus, the integral hardness of the die can be improved better.

Wherein, the outer surface of the half mould body 2 is also provided with a support frame, and the support frame comprises a steel frame 6 fixedly arranged on the peripheral side surface of the half mould body and a steel plate 5 fixedly arranged on the outer side surface of the half mould body.

Like this, can rely on the better assurance mould bulk strength of braced frame, play the effect of making things convenient for the mould operation, protection mould.

Wherein the thickness of the steel plate 5 is 2 mm.

This has enabled a sufficient protection of the mold and a maximum reduction in the weight of the mold.

Wherein, the steel plate 5 and the steel frame 6 are fixed on the half-mould body by bolts 7.

This may improve the bonding strength between the support frame and the half mould body even better.

Wherein, the half-mould is provided with a mould closing screw through hole 8 at the two sides of the cavity.

Thus, the die can be conveniently closed.

Wherein, the pouring port 4 is connected with the upper end of the upright post of the mold cavity.

Thus, the concrete is more convenient to pour and form.

Wherein, steel sheet 5 sets up to polylith cuboid steel sheet side by side, leaves the gap between the steel sheet.

Therefore, a certain deformation space can be reserved when the internal foam board is subjected to stress deformation, and the service life of the die is prolonged.

Claims (10)

1. The integral handrail forming die is characterized in that the half die comprises a half die body made of foam materials, one side of the half die body is the cavity surface provided with the cavity, a hardened layer coating is arranged on the cavity surface, the die cavity is further connected with a pouring port, and the pouring port is formed in at least one half die body.

2. The integrated balustrade molding die of claim 1 wherein the half-mold body is a foam board obtained by engraving with an engraving machine.

3. The mold of claim 1, wherein the foam panel of the mold half body has an apparent density of greater than 20kg/m and a shore hardness of greater than 20A.

4. An integral balustrade forming die as claimed in claim 1, wherein the foam board is a rigid polyurethane foam board, a polystyrene foam board, a polyethylene foam board, a phenolic foam board or a urea formaldehyde foam board.

5. The mold for forming an integral balustrade of claim 1 wherein the hardened layer coating has a thickness of greater than 1mm and a shore hardness of greater than 50A.

6. The integrated balustrade forming die of claim 1 wherein the hardened coating is sprayed with a hardened paint.

7. An integral balustrade forming die as claimed in claim 6, wherein the hardening paint is a toughened PU paint or a glass fiber reinforced plastic resin paint.

8. The integrated balustrade-forming mold of claim 1, wherein the outer surfaces of the half-mold bodies are provided with a hardened layer coating.

9. The integrated balustrade forming die of claim 1, wherein the outer surface of the half-die body is further provided with a support frame, and the support frame comprises a steel frame fixedly arranged on the circumferential side surface of the half-die body and a steel plate fixedly arranged on the outer side surface of the half-die body.

10. The integrated balustrade forming die of claim 9, wherein the steel plate and the steel frame are fixed to the half-die body by bolts;

the thickness of the steel plate is 2 mm;

the half mould is provided with a mould closing screw through hole at two sides of the cavity;

the pouring port is connected and arranged at the upper end of the upright post of the mold cavity;

the steel plates are arranged into a plurality of rectangular steel plates which are arranged side by side, and gaps are reserved among the steel plates.

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